Two convex objects are inside a large vacuum enclosure whose walls are maintained at T 3 =

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Two convex objects are inside a large vacuum enclosure whose walls are maintained at T= 300 K. The objects have the same area, 0.2 m2, and the same emissivity, 0.2. The view factor from object 1 to object 2 is F12 = 0.3. Embedded in object 2 is a heater that generates 400 W. The temperature of object 1 is maintained at T= 200 K by circulating a fluid through channels machined into it. At what rate must heat be supplied (or removed) by the fluid to maintain the desired temperature of object 1? What is the temperature of object 2?

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Fundamentals Of Heat And Mass Transfer

ISBN: 9780470501979

7th Edition

Authors: Theodore L. Bergman, Adrienne S. Lavine, Frank P. Incropera, David P. DeWitt

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